<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>

<div id="app">
    <cpn></cpn>
    <cpn></cpn>
    <cpn></cpn>
</div>

<!-- 1.script标签，注意:类型必须是text/x-template -->
<!-- <script type="text/x-template" id="cpn">
<div>
    <h2>我是标题</h2>
    <p>我是内容,哈哈哈哈</p>
</div>
</!-->

<!-- 2.template标签 -->
<template id="cpn">
    <div>
        <h2>我是标题</h2>
        <p>我是内容,呵呵呵呵</p>
    </div>
</template>

<script src="../js/vue.js"></script>
<script>
    //1.注册一个全局组件
    Vue.component('cpn', {
        template: '#cpn'
    })

    const app = new Vue({
        el: '#app',
        data: {
            message: '你好啊'
        }
    })
</script>

</body>
</html>